/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package admin;

import entity.Groups;
import entity.Role;
import entity.Users;
import facade.GroupsFacadeLocal;
import facade.RoleFacadeLocal;
import facade.UsersFacadeLocal;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.Set;
import java.util.Vector;
import javax.ejb.EJB;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.annotation.HttpConstraint;
import javax.servlet.annotation.ServletSecurity;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import utils.ConfigurationManager;

/**
 *
 * @author Tatyana
 */
@ServletSecurity(
        @HttpConstraint(rolesAllowed = {"Administrator"}))
public class Refresh extends HttpServlet {

    @EJB
    private RoleFacadeLocal roleFacade;
    @EJB
    private GroupsFacadeLocal groupsFacade;
    @EJB
    private UsersFacadeLocal usersFacade;
    private String adminview = ConfigurationManager.getInstance().getLinksProperties().getProperty("ADMIN_VIEW");

    /**
     * Processes requests for both HTTP
     * <code>GET</code> and
     * <code>POST</code> methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP
     * <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        doPost(request, response);


    }

    /**
     * Handles the HTTP
     * <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        Boolean temp = false;
        String role = null;

        Vector<Users> usersList = new Vector<Users>();
        Collection<Role> groupRolesList = new Vector<Role>();

        ArrayList<Users> users = new ArrayList<Users>();
        for (Users us : usersFacade.findAll()) {
            users.add(us);
        }
        Groups group = null;
        for (Users user : users) {

            Collection<Groups> groupList = user.getGroupsCollection();
            for (Groups gr : groupList) {
                groupRolesList = gr.getRoleCollection();
                for (Role r : groupRolesList) {
                    user.setRole(r);
                }
                Set<Role> roleSet = new HashSet(user.getRoleCollection());
                user.setRoleCollection(roleSet);
                usersFacade.edit(user);
                temp = true;
            }
        }
        response.sendRedirect(adminview);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
